diff --git a/images/sd-image_ceilidh.nix b/images/sd-image_ceilidh.nix
index 2838281..8ff631e 100644
--- a/images/sd-image_ceilidh.nix
+++ b/images/sd-image_ceilidh.nix
@@ -7,7 +7,7 @@
 #
 # An example of how to write the image to SD card:
 #
-# bzcat ./result/sd-image/nixos-sd-image-20.03.1577.74a80c5a9ab-aarch64-linux.img.bz2 | sudo dd of=/dev/sdb
+# zstdcat ./result/sd-image/nixos-sd-image-22.05pre-git-aarch64-linux.img.zst | sudo dd of=/dev/sdb
 {...}: {
   imports = [./sd-image_paidh-aarch64.nix ../hosts/ceilidh.nix];
 }